3/8" Dr. 6 Pt. Standard Deep SAE Socket, 3/4" Surface drive technology reduces fastener rounding. Chamfered opening to guide fastener into socket. Large hard-stamped size identification. Double line (SAE) and knurled (metric) ring to easily identify standard vs. Metric sockets. Full polish chrome finish cleans easily and resists corrosion. Meets or Exceeds ASME B107.1 and US Federal Spec. GGG-W-641 E. SAE/Metric/Torx: SAE. ASME Specification: B107.1. Fastener Size: 3/4”. Drive Type: 6 Point. Drive Tang Size: 3/8”. Length Format: Deep. Dim. A: Drive End: 1.016”. Dim. C: Overall Length: 2.500”. Dim. F: Length to Shoulder: 1.142”. Dim. D: Bolt Clearance: 0.335”. Dim. E: Wrench Depth: 0.457”. Dim. B: Wrench End: 1.016” 80371